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Nebius vs Propelauth

Propelauth scores higher on the AgentReady, 59/100 against 54/100. They differ on 10 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Nebius. Nebius is an AI cloud infrastructure platform providing compute, storage, and AI services for training and inference workloads.

Propelauth. PropelAuth provides end-to-end managed user authentication specializing in B2B use cases, built for AI-native companies with multi-tenant auth requirements

Where Nebius is ahead

Nebius passes clear canonical domain, llms.txt published and llms-full.txt / full agent docs, and Propelauth does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: no mandatory sales call. Propelauth misses it.

Where Propelauth is ahead

Propelauth passes authentication documented, pricing understandable and limits / constraints documented, and Nebius does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

It also holds adopt: agent-compatible signup flow and free trial or free allowance. Nebius misses those.

And on operate, observable execution. Nebius misses it.

What neither does

Both fail structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. If your agent needs any of those, you will be building it yourself either way.

Score, pillar by pillar

The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.

Discover. Nebius leads 100 to 80. Nebius misses nothing; Propelauth misses clear canonical domain, llms.txt published, llms-full.txt / full agent docs.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Propelauth leads 38 to 15. Nebius misses structured api reference, openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Propelauth misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Propelauth leads 80 to 75. Nebius misses agent-compatible signup flow, programmatic credential creation, free trial or free allowance; Propelauth misses no mandatory sales call, programmatic credential creation.

Operate. Propelauth leads 39 to 24. Nebius misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified; Propelauth misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Nebius does not publish a machine-readable starting price. Propelauth starts at $0/month and has a free tier.

Signal by signal

Which to pick

Propelauth clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Nebius and Propelauth. Alternatives to each: Nebius, Propelauth.

An agent can fetch this as data: POST /v1/compare {"slugs": ["nebius", "propelauth"]}